I intstalled this mornings "Important" update and my monitor display became unstable and the display was jumping. Backed off the update and it was okay. I checked around for information and not finding any I reinstalled KB976749 and got the same result. Display adapter ATI Radeon HD 3200 Graphics Monitor HP 2159 Series Wide LCD Monitor I forgot to mention, OS is Windows 7 Pro

Hi PhilSa, Since the issue first occurred after installing update KB976749, please first perform System Restore to restore the system to the date before the update was installed. If the issue persists after the restore, please go to the hardware manufacturer's website to download the latest display card driver which is compatible with Windows 7. Also, you can test the issue with another monitor and check if the issue occurs. Regards, Linda